Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
0-8 weeks: 0.89 - 5.18 ug/mL (n=38)
>8 weeks: 0.86 - 3.71 ug/mL (n=68)
Clinical Reference Provides recommendations for further in-depth reading of a clinical nature
Kelley RI. Diagnosis of Smith-Lemli-Opitz syndrome by gas chromatography/mass spectrometry of 7-dehydrocholesterol in plasma, amniotic fluid, and cultured skin fibroblasts. Clin Chim Acta 1995; 236:45-58